Counter, Electrical, Single Channel, Number of Digits 6, Red LED Display, Counts per Second 20000, Input Voltage 10-30VDC, Flush Mounting, Length 1.89 In, Depth 1.89 In, Width 2.58 In, Power Rating 1.2 Max VA, Front Panel Push Button or Remote Reset Type, Special Features Count Up and Down, Locking Reset Key and Zero Blanking, Standards cURus/ CE